Athlon II X4 620e vs i7-2820QM

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Aggregate performance score

Core i7-2820QM
2011
4 cores / 8 threads, 45 Watt
2.86
+50.5%

Core i7-2820QM outperforms Athlon II X4 620e by an impressive 51% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2820QM and Athlon II X4 620e processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16801988
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency5.803.85
Architecture codenameSandy Bridge (2011−2013)Propus (2009−2011)
Release date3 January 2011 (13 years ago)3 May 2011 (13 years ago)
Launch price (MSRP)$568no data

Detailed specifications

Core i7-2820QM and Athlon II X4 620e basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed2.3 GHz2.6 GHz
Boost clock speed3.4 GHz2.6 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier23no data
L1 cache64K (per core)128 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache8 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size216 mm2169 mm2
Maximum core temperature100 °Cno data
Number of transistors1,160 million300 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2820QM and Athlon II X4 620e compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA1224,FCPGA988,PPGA988AM3
Power consumption (TDP)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and Athlon II X4 620e. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-2820QM and Athlon II X4 620e technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM and Athlon II X4 620e are enumerated here.

AMD-V+-
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and Athlon II X4 620e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333, DDR3-1600DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.598 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and Athlon II X4 620e integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and Athlon II X4 620e.

PCIe version2.02.0
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-2820QM 2.86
+50.5%
Athlon II X4 620e 1.90

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-2820QM 4381
+50.8%
Athlon II X4 620e 2906

Gaming performance

Pros & cons summary


Performance score 2.86 1.90
Recency 3 January 2011 3 May 2011
Threads 8 4
Chip lithography 32 nm 45 nm

i7-2820QM has a 50.5% higher aggregate performance score, 100% more threads, and a 40.6% more advanced lithography process.

Athlon II X4 620e, on the other hand, has an age advantage of 4 months.

The Core i7-2820QM is our recommended choice as it beats the Athlon II X4 620e in performance tests.

Be aware that Core i7-2820QM is a notebook processor while Athlon II X4 620e is a desktop one.


Should you still have questions on choice between Core i7-2820QM and Athlon II X4 620e, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-2820QM
Core i7-2820QM
AMD Athlon II X4 620e
Athlon II X4 620e

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Community ratings

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4.1 162 votes

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Questions & comments

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